Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/96—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution
  • A61K8/97—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution from algae, fungi, lichens or plants; from derivatives thereof
  • A61K8/9783—Angiosperms [Magnoliophyta]
  • A61K8/9789—Magnoliopsida [dicotyledons]
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
  • A61K8/34—Alcohols
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
  • A61K8/34—Alcohols
  • A61K8/345—Alcohols containing more than one hydroxy group
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
  • A61K8/36—Carboxylic acids; Salts or anhydrides thereof
  • A61K8/365—Hydroxycarboxylic acids; Ketocarboxylic acids
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
  • A61K8/36—Carboxylic acids; Salts or anhydrides thereof
  • A61K8/368—Carboxylic acids; Salts or anhydrides thereof with carboxyl groups directly bound to carbon atoms of aromatic rings
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
  • A61K8/44—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/55—Phosphorus compounds
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/92—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof
  • A61K8/922—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof of vegetable origin
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/96—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution
  • A61K8/97—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution from algae, fungi, lichens or plants; from derivatives thereof
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q5/00—Preparations for care of the hair
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q5/00—Preparations for care of the hair
  • A61Q5/06—Preparations for styling the hair, e.g. by temporary shaping or colouring

Definitions

• HAIR CARE COMPOSITIONS METHOD FOR PROVIDING IMPROVED CURLS DEFINITION TO THE HAIR AND METHOD OF TREATING HAIR
• the present invention is directed to hair care compositions comprising at least one organic acid, at least one compound with at least one hydroxyl-group, at least one amino acid, at least one vegetal resin, and water.
• the invention is also related to a method of treating hair, particularly curly hair.
• curly hair tends to become frizzy and significantly expand in volume when exposed to high humidity conditions, chemical treatments, among others. Additionally, the shape and definition of the curls are lost after sleeping.
• the products of the state of the art usually require high amount of product to give good combing and hair feel. But, considering that the effect of such products is not long lasting, the consumers have to reapply the product several times during the day or after sleeping in order to regain definition and frizz control, resulting in the build-up of the product on the hair’s surface, resulting in a heavy aspect, wet look, unnatural touch and greasy sensation, since such products do not penetrate the keratin fibers and remain on the surface of the hair fiber.
• the inventors of the present invention surprisingly and unexpectedly achieved hair care compositions comprising (a) at least one organic acid, (b) at least one compound with at least one hydroxyl-group, (c) at least one amino acid, (d) at least one vegetal resin, and (e) water, that are able to penetrate the hair fiber without building-up on the fiber’s surface, while also providing curl definition until the next wash, long lasting of definition of the curls, frizz control, natural look and desirable volume, and that does not look heavy on the hair.
• the present invention relates to hair care compositions comprising (a) at least one organic acid, (b) at least one compound with at least one hydroxyl-group, (c) at least one amino acid, (d) at least one vegetal resin, and (e) water, that are able to penetrate the hair fiber without building-up on the fiber’s surface, while also providing curl definition until the next wash, long lastingness of the definition of the curls, frizz control, natural look and desirable volume, and that does not look or feel heavy on the hair.
• the present invention relates to a method for providing improved curls definition to the hair.
• Figure 1 relates to the results of Comparative Test 1 .
• Figure 2 demonstrates the results of Comparative Test 2.
• Figure 3 demonstrates the results of the pH Analysis Test.
• the present invention is directed to a hair care composition, mainly for curly hair, comprising:
• the at least one organic acid is selected from short chain organic acids, preferably a-hydroxy acids (AHAs), beta hydroxy acids, and a mixture thereof.
• the at least one organic acid of the hair care composition of the present invention is selected from tartaric acid, lactic acid, glutaric acid, etidronic acid, salicylic acid, glycolic acid, and mixtures thereof.
• the amount of the at least one organic acid ranges from about 0.5 % to about 8.0 % by weight, preferably from about 1 .0 % to about 7.0 % by weight, more preferably from about 2.0 % to about 6.0 % by weight, even more preferably from about 2.5 % to about 4.0 % by weight, and most preferably from about 3.0 % to about 4.0 % by weight, based on the total weight of the composition.
• the hair care composition according to the present invention also comprises at least one compound with at least one hydroxyl-group.
• the at least one compound with at least one hydroxyl-group acts as a penetrating agent, that is, a compound that is capable of forming the dipole-dipole interaction with the keratin fibers, such as hair, and binding to polar sites on the surface of said keratin fiber and decrease the shielding, thus promoting penetration of the hair care composition into the keratin fibers.
• the at least one compound with at least one hydroxylgroup of the hair care composition of the present invention is selected from polyol, C2 to Ce monoalcohols, and a mixture thereof.
• the at least one compound with at least one hydroxylgroup of the hair care composition of the present invention is selected from polyols.
• the polyol is a glycol selected from propylene glycol, dipropylene glycol, butylene glycol, pentylene glycol, hexylene glycol, glycerin and mixtures thereof.
• the polyol comprises propylene glycol and dipropylene glycol.
• the polyol is glycerin.
• the at least one compound with at least one hydroxylgroup of the hair care composition of the present invention is selected from C2 to Ce monoalcohols.
• the C2 to Ce monoalcohols include ethanol and/or propanol and/or butanol and/or hexanol.
• the at least one compound with at least one hydroxylgroup of the hair care composition of the present invention comprises a mixture of polyols and C2 to Ce monoalcohols.
• the at least one compound with at least one hydroxyl-group of the hair care composition of the present invention comprises propylene glycol and ethanol.
• the at least one compound with at least one hydroxyl-group of the hair care composition of the present invention comprises dipropylene glycol and ethanol.
• the at least one compound with at least one hydroxyl-group of the hair care composition of the present invention comprises glycerin and ethanol.
• the amount of the at least one compound with at least one hydroxylgroup ranges from about 0.1 % to about 20.0 % by weight, preferably from about 0.3 % to about 15.0 % by weight, or from about 0.5 % to about 12.0 % by weight, or from about 0.5 % to about 1 1 .0 % by weight, or from about 1 .0 % to about 1 1 .0 % by weight, based on the total weight of the composition.
• the at least one amino acid is selected from arginine.
• the amount of the at least one amino acid ranges from about 0.1 % to about 7.0 % by weight, preferably from about 0.1 % to about 6.0 % by weight, more preferably from about 0.1 % to about 5.0 % by weight, even more preferably from about 0.5 % to about 3.0 % weight, based on the total weight of the composition.
• Other suitable ranges are from about 0.5 % to about 2.0 % by weight, or from about 0.7 % to about 1 .2 % by weight, based on the total weight of the composition.
• the at least one vegetal resin is selected from Copaiba Officinalis (Balsam Copaiba) resin (oil resin or resin form).
• the amount of the at least one vegetal resin ranges from about 0.1 % to about 7.0 % by weight, preferably from about 0.1 % to about 5.0 % by weight, preferably from about 0.15 % to about 4.0 % by weight, preferably from about 0.17 % to about 4.0 % by weight, or such as at about 0.1 , about 0.17, about 0.2, about 0.3, about 0.36, about 0.4, about 0.5 to about 4.0 % by weight, based on the total weight of the composition.
• the hair care composition according to the present invention further comprises at least one vegetal oil, in an amount ranging from about 0.1 % to about 7.0 % by weight, preferably from about 0.1 % to about 6.0 % by weight, preferably from about 0.15 % to about 5.0 % by weight, preferably from about 0.15 % to about 4.8 % by weight, or such as at about 0.1 , about 0.2, about 0.3, about 0.36, about 0.4, about 0.5 to about 4.8 % by weight, based on the total weight of the composition.
• the at least one organic acid of the compositions can be selected from alpha hydroxy acids, beta hydroxy acids, and a mixture thereof.
• alpha-hydroxy acid is understood to mean, according to the present invention, a carboxylic acid having at least one hydroxyl functional group occupying an alpha-position on said acid (carbon adjacent to a carboxylic acid functional group).
• a beta-hydroxy acid is closely related to an alpha-hydroxy acid except the carboxylic and hydroxyl functional groups are separated by two carbon atoms.
• a hydroxy acid can be present in the final composition in the form of the free acid and/or in the form of one of its associated salts (salts with an organic base or an alkali metal, in particular), especially according to the final pH imposed on the composition.
• the alpha hydroxy acid present in the composition includes, but is not limited to, one or more of tartaric acid, glycolic acid, citric acid, lactic acid, methyllactic acid, glucuronic acid, pyruvic acid, 2- hydroxybutanoic acid, 2-hydroxypentanoic acid, 2-hydroxyhexanoic acid, 2- hydroxyheptanoic acid, 2-hydroxyoctanoic acid, 2-hydroxynonanoic acid, 2- hydroxydecanoic acid, 2-hydroxyundecanoic acid, 2-hydroxydodecanoic acid, 2- hydroxytetradecanoic acid, 2-hydroxyhexadecanoic acid, 2-hydroxyoctadecanoic acid, 2-hydroxytetracosanoic acid, 2-hydroxyeicosanoic acid, mandelic acid, phenyllactic acid, gluconic acid, galacturonic acid, aleuritic acid, ribonic acid, tartronic acid, malic acid, fumaric acid, their salts and their
• the composition includes alpha hydroxy acids comprising glycolic acid and one or more of citric acid and lactic acid.
• the more than one alpha hydroxy acids may be present in the same or in different amounts.
• the beta hydroxy acid when present in the composition according to the disclosure, includes, but is not limited to, one or more of salicylic acid and derivatives thereof (including 5-n-octanoylsalicylic acid, salicylate, sodium salicylate, and willow extract), beta hydroxybutanoic acid, tropic acid, and trethocanic acid.
• salicylic acid and derivatives thereof including 5-n-octanoylsalicylic acid, salicylate, sodium salicylate, and willow extract
• beta hydroxybutanoic acid beta hydroxybutanoic acid
• tropic acid trethocanic acid
• the composition includes tartaric acid.
• the compound with at least one hydroxyl-group can be selected from polyols, and/or C2 to Ce monoalcohols such as ethyl alcohol, isopropyl alcohol, propyl alcohol, ethylene glycol, propylene glycol, butylene glycol, hexylene glycol, propane diol, and glycerin.
• alkanediols such as glycerin, 1 ,2,6-hexanetriol, trimethylolpropane, ethylene glycol, propylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, pentaethylene glycol, dipropylene glycol, 2-butene-1 ,4-diol, 2-ethyl-1 ,3-hexanediol, 2-methyl-2,4- pentanediol, caprylyl glycol, 1 ,2-hexanediol, 1 ,2-pentanediol, and 4-methyl-1 ,2- pentanediol; alkyl alcohols having 1 to 4 carbon atoms such as ethanol, methanol, butanol, propanol, isopropanol, and a mixture thereof.
• alkanediols polyhydric alcohols
• alkyl alcohols having 1 to 4 carbon atoms such as
• the compound with at least one hydroxyl-group may be selected from the group consisting of one or more glycols, C1 -4 alcohols, glycerin, and a mixture thereof. In some cases, the compound with at least one hydroxyl-group is selected from the group consisting of hexylene glycol, propylene glycol, dipropylene glycol, caprylyl glycol, glycerin, isopropyl alcohol, and a mixture thereof.
• Polyhydric alcohols are useful.
• examples of polyhydric alcohols include glycerin, ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, dipropylene glycol, tripropylene glycol, 1 ,3-butanediol, 2,3-butanediol, 1 ,4-butanediol, 3-methyl-1 ,3-butanediol, 1 ,5-pentanediol, tetraethylene glycol, 1 ,6-hexanediol, 2- methyl-2,4-pentanediol, polyethylene glycol, 1 ,2,4-butanetriol, 1 ,2,6-hexanetriol, and a mixture thereof.
• Polyol compounds may also be used.
• Non-limiting examples include the aliphatic diols, such as 2-ethyl-2-methyl-1 ,3-propanediol, 3,3-dimethyl-1 ,2-butanediol, 2,2-diethyl- 1 ,3-propanediol, 2-methyl-2-propyl-1 ,3-propanediol, 2,4-dimethyl-2,4- pentanediol, 2,5-dimethyl-2,5-hexanediol, 5-hexene-1 ,2-diol, and 2-ethyl-1 ,3- hexanediol, and a mixture thereof.
• compositions according to the disclosure comprise at least one amino acid.
• amino acid includes amino acids such as proteinogenic amino acids, amino sulfonic acids, and salts thereof.
• Amino acids are simple organic compounds containing both a carboxylic acid group ( — COOH) and an amino group ( — NH2).
• Amino sulfonic acids are simple organic compounds containing both a sulfonic acid group ( — SO2OH) and an amino group ( — NH2).
• amino acids useful according to the disclosure may, in certain embodiments, be selected from compounds of Formula (I) and Formula (II): wherein: - R represents a hydrogen atom, a linear or branched, preferably linear, C1-C5 alkyl group, said alkyl group being optionally substituted with at least one group chosen from hydroxyl, -C(O)-OH, -S(O)2-OH, -C(O)-O’ and M + , and S(O)2-O’ and M + , with M + representing a cationic counter-ion such as an alkali metal, alkaline earth metal, or ammonium, and
• - n is 0 or 1 .
• amino acids may be in their non-ionized form (I) and (II) or in their ionized or betaine form (I’) and (II’): wherein R and n are as defined above.
• the one or more amino acids may also be in their conjugate base form (lb) and (lib):
• Well-known amino acids include the twenty amino acids that form the proteins of living organisms (standard proteinogenic amino acids): alanine, arginine, asparagine, aspartic acid, cysteine, glutamic acid, glutamine, glycine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, proline, serine, threonine, tryptophan, tyrosine, and valine.
• standard proteinogenic amino acids alanine, arginine, asparagine, aspartic acid, cysteine, glutamic acid, glutamine, glycine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, proline, serine, threonine, tryptophan, tyrosine, and valine.
• the amino acids of the instant disclosure are not limited to the standard proteinogenic amino acids.
• Non-limiting examples of amino sulfonic acids include aminomethane sulfonic acid, 2-aminoethane sulfonic acid (taurine), aminopropane sulfonic acid, aminobutane sulfonic acid, aminohexane sulfonic acid, aminoisopropyl sulfonic acid, aminododecyl sulfonic acid, aminobenzene sulfonic acid, aminotoulene sulfonic acid, sulfanilic acid, chlorosulfanilic acid, diamino benzene sulfonic acid, amino phenol sulfonic acid, amino propyl benzene sulfonic acid, amino hexyl benzene sulfonic acid, and a mixture thereof.
• charged amino acids may be used.
• charged amino acids include arginine, lysine, aspartic acid, and glutamic acid.
• polar amino acids are useful.
• Non-limiting examples of polar amino acids include glutamine, asparagine, histidine, serine, threonine, tyrosine, cysteine, methionine, and tryptophan.
• hydrophobic amino acids may be employed.
• hydrophobic amino acids include alanine, isoleucine, leucine, phenylalanine, valine, proline, and glycine.
• the at least one vegetal-based ingredient of the present invention is Copaifera officinalis (BALSAM COPAIBA) RESIN (INCI name) which can be in the form of a Copaiba oil resin or Copaiba resin.
• Copaifera officinalis (BALSAM COPAIBA) RESIN is commercially available under the tradename of RAIN FOREST RF3310 (also known by the chemical name of Copaiba Oleoresin) or under the tradename of RAIN FOREST 03370 (also known by the chemical name of Copaiba resin), both from the supplier Beraca Ingredientes Naturais.
• the hair care composition of the present invention further comprises at least one vegetal oil, which is selected from coconut oil, almond oil, aloe vera oil, avocado oil, , camelina oil, coffee oil, castor oil, grapeseed oil, jojoba oil, basil oil, bay oil, bergamot oil, black pepper essential oil, birch oil, camphor, cannabis oil, caraway oil, cardamom seed oil, carrot seed oil, chamomile oil, calamus root oil, cinnamon oil, citronella oil, clary sage, clove leaf oil, coffee, coriander, costmary oil, cranberry seed oil, cubeb, cumin oil, dill oil, eucalyptus oil, fennel seed oil, fenugreek oil, fir, frankincense oil, geranium oil, ginger oil, grapefruit oil, grapeseed oil, henna oil, horseradish oil, jasmine oil, juniper berry oil,
• vegetal oil which is selected from coconut
• the suitable vegetal oils for use in the hair care compositions of the present invention are selected from coconut oil, soybean oil, canola oil, rapeseed oil, corn oil, cottonseed oil, olive oil, palm oil, peanut oil, safflower oil, sesame oil, sunflower oil, linseed oil, palm kernel oil, wheatgerm oil, apricot kernel oil, pistachio oil, poppy oil, hazel nut oil, colza oil, cade oil, peach kernel oil, jojoba oil, helianthus annuus (sunflower) seed oil, and mixtures thereof.
• the vegetal oil can improve the penetration effect.
• the at least one vegetal-based ingredient of the present invention is coconut oil, that is mainly composed by Lauric acid, Myristic Acid, Palmitic Acid, Oleic Acid, Caprylic Acid, Capric Acid.
• Other oils with the same composition could apply on the invention, such as Babassu oil and Murumuru butter e.
• the hair care compositions of the present invention comprise a mixture of vegetal oils and vegetal resins, such as coconut oil and Copaiba Officinalis (Balsam Copaiba resin) (copaiba resin or copaiba oleoresin).
• vegetal oils and vegetal resins such as coconut oil and Copaiba Officinalis (Balsam Copaiba resin) (copaiba resin or copaiba oleoresin).
• the pH of the hair care composition of the present invention is from about 1 to about 10, preferably from about 2 to about 7, or from about 2 to about 6. To achieve lasting of definition, the pH is about 3 to about 5, preferably from about 2.5 to about 4.5, or from about 3.5 to about 4.5, or at about 2, about, 3, about 3.3, about 3.5, about 4, about 4.5.
• the composition of the invention is used as a leave-on or a rinse-off product to control frizz, improve curl definition, curl regularity and discipline, among other attributes.
• the hair care composition of the present invention comprises:
• the present invention is directed to a method for providing improved curls definition to the hair, wherein the method comprises contacting the hair with the hair care cosmetic composition of the invention.
• the hair care composition of the present invention can be manufactured from conventional cosmetic processes.
• An illustrative process comprises the following steps:
• Step (2) adding the at least one amino acid, mixing the ingredients until completely solubilization;
• Step (4) adding the at least one compound with at least one hydroxylgroup, at least one vegetal resin, and optional vegetal oil, heating until about 65 S C to about 75 S C for about 15 minutes.
• Step (5) adding the remaining water into the mixture, and cooling down.
• Step (6) adding additional ingredients (if present) cooling down until about 25 S C, adjusting the pH (if necessary) with a pH adjuster.
• the expression “at least one” means one or more and thus includes individual components as well as mixtures/combinations.
• ranges provided are meant to include every specific range within, and combination of sub ranges between, the given ranges.
• a range from 1 -5 includes specifically 1 , 2, 3, 4 and 5, as well as sub ranges such as 2-5, 3-5, 2-3, 2-4, 1 -4, etc.
• All ranges and values disclosed herein are inclusive and combinable. For examples, any value or point described herein that falls within a range described herein can serve as a minimum or maximum value to derive a sub-range, etc.
• the hair care cosmetic compositions according to the present invention comprise water.
• the water used may be sterile demineralized water and/or deionized water and/or a floral water such as rose water, cornflower water, chamomile water or lime water, and/or a natural thermal or mineral water such as, for example: water from Vittel, water from the Vichy basin, water from Uriage, water from La Roche Posay, water from La Bourboule, water from Enghien-les-Bains, water from Saint Gervais-les- Bains, water from Neris-les-Bains, water from Allevar-les-Bains, water from Digne, water from Maizieres, water from Neyrac-les-Bains, water from Lons-le-Saunier, water from EauxBonnes, water from Rochefort, water from Saint Christau, water from Les Fumades, water from Tercis-les-Bains or water from Avene.
• Water may also comprise reconstituted thermal water, that is to say a water comprising trace
• the hair care cosmetic composition according to the present invention may comprise water in an amount ranging from about 50% to about 99% by weight, preferably from about 65% to about 95% by weight, and most preferably from about 70% to about 92% by weight, relative to the total weight of the hair cosmetic composition. Additional Ingredients
• the hair care composition of the present invention may further comprise any usual cosmetically acceptable ingredient, which may be chosen especially from such as cosmetically acceptable ingredients selected from perfume/fragrance, preserving agents, vitamins, vegetal extracts, pH-adjusters, organic solvents, and mixtures thereof.
• the additional ingredients may represent from about 1 % to about 70% by weight, based on the total weight of the composition.
• Suitable hair care compositions according to the present invention are as Examples 1 to 4, as follows:
• Example 1 An in vitro comparative test was conducted to evaluate the curl definition on obtained with the hair care composition of Example 1 according to the present invention and a placebo composition comprising a hydroalcoholic medium without the organic acid (a) of the present invention.
• the black bars of the comparisons demonstrate the curl definition score after the application of the compositions containing 3.0 % and 6.0 % tartaric acid into the hair and after the touch (to simulate the normal touching of hair throughout the day), while the grey bars of the comparisons demonstrate the curl definition score after the application of the compositions into the hair and after combing.
• the curl definition score on swatches was obtained by image analysis.
• composition according to the present invention with different pHs and different concentrations of tartaric acid resulted in better curl definition scores than the placebo composition, after touching and after combing.
• the results can be seen in Figure 2.
• the horizontal dotted line represents the results after washing the hair with only a cleaning shampoo.

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• 2021
  • 2021-09-30 JP JP2024508969A patent/JP2024531280A/ja active Pending
  • 2021-09-30 EP EP21794724.1A patent/EP4408380A1/de active Pending
  • 2021-09-30 WO PCT/BR2021/050422 patent/WO2023049974A1/en not_active Ceased
  • 2021-09-30 US US18/696,604 patent/US20240390261A1/en active Pending
  • 2021-09-30 CN CN202180099911.2A patent/CN117915880A/zh active Pending
• 2022
  • 2022-01-24 FR FR2200549A patent/FR3128643B1/fr active Active

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